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CVE-2026-18349— SAMA5D44 Fault Injection Vulnerability

Quick assessment

Affected

Microchip SAMA5D4

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microchip SAMA5D4是美国Microchip公司的一款嵌入式微处理器。 Microchip SAMA5D4存在侧信道信息泄露漏洞，该漏洞源于对电压和时钟毛刺的保护不当，可能导致硬件故障注入。

CVSS 7.3 · High EPSS 0.18% · P8 Updated Oct 28, 2026

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Microchip	SAMA5D4		affected

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I. Basic Information for CVE-2026-18349

Vulnerability Information

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Vulnerability Title

SAMA5D44 Fault Injection Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Improper protection against voltage and clock glitches vulnerability in Microchip SAMA5D4 allows Hardware Fault Injection. This issue affects SAMA5D4.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Source: CVE Program / CVE List V5

Vulnerability Type

CWE-1247

Source: CVE Program / CVE List V5

Vulnerability Title

Microchip SAMA5D4 侧信道信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Microchip	SAMA5D4	0	-

II. Public POCs for CVE-2026-18349

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-18349

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Vendor Advisories for CVE-2026-18349 (1)

🔗 SAMA5D44 Fault Injection Vulnerability | Microchip Technology

https://www.cve.org/CVERecord?id=CVE-2026-18349

IV. Related Vulnerabilities

Same vendor: Microchip

Same weakness: CWE-1247